Finding the Third Proportional to 1,553,976 and 3,663,162

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,976 : 3,663,162 = 3,663,162 : x
2. Step 2: Convert to fraction form
   1,553,976/3,663,162 = 3,663,162/x
3. Step 3: Cross multiply
   1,553,976x = 3,663,162 × 3,663,162
4. Step 4: Simplify right side
   1,553,976x = 13,418,755,838,244
5. Step 5: Solve for x
   x = 13,418,755,838,244/1,553,976
6. Step 6: Final answer
   x = 8,635,111.38